#223A74#223A74

#223A74 is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.3% C 0.104 H 264.8°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#223A74
RGB	rgb(34, 58, 116)
HSL	hsl(222, 55%, 29%)
HSV	hsv(222, 71%, 45%)
CMYK	cmyk(70.7%, 50%, 0%, 54.5%)
CIE-LAB	lab(25.64, 11.81, -36.17)
CIE-LCH	lch(25.64, 38.05, 288.08°)
OKLab	oklab(36.31% -0.0094 -0.1036)
OKLCH	oklch(36.31% 0.104 264.8)
XYZ	xyz(5.3240, 4.6266, 17.1321)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#223A74 #745C22

analogous

#226374 #223A74 #332274

triadic

#223A74 #74223A #3A7422

tetradic

#223A74 #742263 #745C22 #227433

square

#223A74 #742263 #745C22 #227433

split-complementary

#223A74 #743322 #637422

monochromatic

#070C18 #142245 #223A74 #3052A3 #476DC9

Accessibility & contrast

On white

10.91

#223A74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#223A74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #223A74

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##223A74	#FFFFFF	#000000	##FFFFFF
##223A74	1.00	10.91	1.93	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4176

Deuteranopia (green-blind)

#083973

Tritanopia (blue-blind)

#004851

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #223a74;
/* rgb */ color: rgb(34, 58, 116);
/* oklch */ color: oklch(36.3% 0.104 264.8);

Tailwind

colors: {
  custom: {
    50: '#686f9c',
    500: '#223a74',
    950: '#000000',
  },
}

SCSS

$custom: #223a74;
$custom-light: #686f9c;
$custom-dark: #000000;

JSON

{
  "hex": "#223a74",
  "rgb": {
    "r": 34,
    "g": 58,
    "b": 116
  },
  "hsl": {
    "h": 222.439,
    "s": 54.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.3631,
    "c": 0.10407,
    "h": 264.8
  },
  "luminance": 0.04627
}

Semantic roles & 50–950 ramp

primary

#223A74

secondary

#A78C4B

accent

#B34ADE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #223A74

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →